USA Standard Gear ZTMP19132978 Transfer Case Input Shaft MP3023 32-Spline 1st Design

The USA Standard Gear ZTMP19132978 is a 32-spline input shaft specifically designed for MP3023 (Magna Powertrain) transfer cases equipped with first design planetary assemblies. This precision-engineered component is a direct replacement for GM part number 19132978 and is compatible with 2007-2011 GM trucks and SUVs utilizing the MP3023 transfer case paired with transmissions requiring a 32-spline input.

Key Specifications:

• 32-spline input shaft configuration
• Designed for 1st design planetary systems (148MM case types)
• 56-tooth gear with 3.44-inch outer diameter
• Compatible with MP3023 Magna Powertrain transfer cases
• Fits vehicles with RPO code NQH
• OEM replacement quality construction

Application Notes:

• Commonly found behind 4L80E and 2ML70 hybrid transmissions requiring 32-spline input
• First design planetary identification is critical—verify your transfer case design before ordering
• Not compatible with 27-spline input applications (see ZTMP19132977)
• Second design planetary systems require part number 19299088

USA Standard Gear transfer case components deliver better-than-OEM performance and reliability for rebuilds and repairs. This input shaft is manufactured to exacting specifications to ensure proper fit, quiet operation, and long service life in demanding drivetrain applications.